As an energy-efficiency consultant, youre asked to assess a pumped-storage facility. Its

Chapter 7, Problem 52

(choose chapter or problem)

As an energy-efficiency consultant, youre asked to assess a pumped-storage facility. Its reservoir sits 140 m above its generating station and holds of water. The power plant generates 330 MW of electric power while draining the reservoir over an 8.0-h period. Its efficiency is the percentage of the stored potential energy that gets converted to electricity. What efficiency do you report?

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